Stress Dilatancy of Natural Soft Clay under an Undrained Creep Condition
AbstractThe stress–dilatancy relationship is a key point to capture the evolution of both strains and excess pore pressure during an undrained creep of natural soft clay. This paper focuses on investigating the stress dilatancy of natural soft clay during an undrained creep. Undrained triaxial creep...
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Veröffentlicht in: | International journal of geomechanics 2015-10, Vol.15 (5) |
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description | AbstractThe stress–dilatancy relationship is a key point to capture the evolution of both strains and excess pore pressure during an undrained creep of natural soft clay. This paper focuses on investigating the stress dilatancy of natural soft clay during an undrained creep. Undrained triaxial creep tests are performed on K0-consolidated and isotropically consolidated samples of a typical Chinese soft marine clay with different stress levels. A unique stress–dilatancy curve is obtained from all test results. Several typical stress–dilatancy relations for soils are discussed, comparing them with experimental results. A common modification method for the stress dilatancy of sand is adopted and discussed for clay. All comparisons demonstrate that modified dilatancy equations can describe the stress–dilatancy relationship during an undrained creep. The modified dilatancy equation with the inclination of a potential surface seems to better describe the whole trend, and is suitable for natural soft clay. |
doi_str_mv | 10.1061/(ASCE)GM.1943-5622.0000271 |
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This paper focuses on investigating the stress dilatancy of natural soft clay during an undrained creep. Undrained triaxial creep tests are performed on K0-consolidated and isotropically consolidated samples of a typical Chinese soft marine clay with different stress levels. A unique stress–dilatancy curve is obtained from all test results. Several typical stress–dilatancy relations for soils are discussed, comparing them with experimental results. A common modification method for the stress dilatancy of sand is adopted and discussed for clay. All comparisons demonstrate that modified dilatancy equations can describe the stress–dilatancy relationship during an undrained creep. The modified dilatancy equation with the inclination of a potential surface seems to better describe the whole trend, and is suitable for natural soft clay.</description><identifier>ISSN: 1532-3641</identifier><identifier>EISSN: 1943-5622</identifier><identifier>DOI: 10.1061/(ASCE)GM.1943-5622.0000271</identifier><language>eng</language><publisher>American Society of Civil Engineers</publisher><subject>Clay (material) ; Consolidation ; Creep (materials) ; Engineering Sciences ; Evolution ; Inclination ; Materials ; Mathematical analysis ; Mechanics ; Sand ; Soft clay ; Soil stresses ; Soils ; Stresses ; Technical Papers</subject><ispartof>International journal of geomechanics, 2015-10, Vol.15 (5)</ispartof><rights>2014 American Society of Civil Engineers.</rights><rights>Attribution</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a526t-2be5d20b73da3fadb0a8b0705e4a0258846b166ab5c57ea2cb1f34a76ea2ad503</citedby><cites>FETCH-LOGICAL-a526t-2be5d20b73da3fadb0a8b0705e4a0258846b166ab5c57ea2cb1f34a76ea2ad503</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttp://ascelibrary.org/doi/pdf/10.1061/(ASCE)GM.1943-5622.0000271$$EPDF$$P50$$Gasce$$H</linktopdf><linktohtml>$$Uhttp://ascelibrary.org/doi/abs/10.1061/(ASCE)GM.1943-5622.0000271$$EHTML$$P50$$Gasce$$H</linktohtml><link.rule.ids>230,314,780,784,885,27923,27924,76064,76072</link.rule.ids><backlink>$$Uhttps://hal.science/hal-01007332$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Wang, Li-Zhong</creatorcontrib><creatorcontrib>Yin, Zhen-Yu</creatorcontrib><title>Stress Dilatancy of Natural Soft Clay under an Undrained Creep Condition</title><title>International journal of geomechanics</title><description>AbstractThe stress–dilatancy relationship is a key point to capture the evolution of both strains and excess pore pressure during an undrained creep of natural soft clay. This paper focuses on investigating the stress dilatancy of natural soft clay during an undrained creep. Undrained triaxial creep tests are performed on K0-consolidated and isotropically consolidated samples of a typical Chinese soft marine clay with different stress levels. A unique stress–dilatancy curve is obtained from all test results. Several typical stress–dilatancy relations for soils are discussed, comparing them with experimental results. A common modification method for the stress dilatancy of sand is adopted and discussed for clay. All comparisons demonstrate that modified dilatancy equations can describe the stress–dilatancy relationship during an undrained creep. The modified dilatancy equation with the inclination of a potential surface seems to better describe the whole trend, and is suitable for natural soft clay.</description><subject>Clay (material)</subject><subject>Consolidation</subject><subject>Creep (materials)</subject><subject>Engineering Sciences</subject><subject>Evolution</subject><subject>Inclination</subject><subject>Materials</subject><subject>Mathematical analysis</subject><subject>Mechanics</subject><subject>Sand</subject><subject>Soft clay</subject><subject>Soil stresses</subject><subject>Soils</subject><subject>Stresses</subject><subject>Technical Papers</subject><issn>1532-3641</issn><issn>1943-5622</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNqNkU1r3DAQhk1Jofn6DyKn5ODt6NvqbXG3u4FNetjkLMa2TBwcaSvZhf33tdmwt5LoomF43mGkJ8tuKCwoKPr9drkrV3frhwU1gudSMbaA6TBNv2Tnp97ZVEvOcq4E_ZZdpPQKQLWQ5jzb7IboUiI_ux4H9PWBhJY84jBG7MkutAMpezyQ0TcuEvTk2TcRO-8aUkbn9qQMvumGLvir7GuLfXLX7_dl9vxr9VRu8u3v9X253OYomRpyVjnZMKg0b5C32FSARQUapBMITBaFUBVVCitZS-2Q1RVtuUCtphobCfwyuzvOfcHe7mP3hvFgA3Z2s9zauQcUQHPO_tKJvT2y-xj-jC4N9q1Ltet79C6MydJCCSkMN-wTqFDcqOkbP0a1AaMMFfoTaKGNBlrMC_w4onUMKUXXnh5Hwc6urZ1d2_WDnb3a2at9dz2F1TGM03T7GsboJwen5P-D_wDms6qi</recordid><startdate>20151001</startdate><enddate>20151001</enddate><creator>Wang, Li-Zhong</creator><creator>Yin, Zhen-Yu</creator><general>American Society of Civil Engineers</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>KR7</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H96</scope><scope>L.G</scope><scope>1XC</scope><scope>VOOES</scope></search><sort><creationdate>20151001</creationdate><title>Stress Dilatancy of Natural Soft Clay under an Undrained Creep Condition</title><author>Wang, Li-Zhong ; Yin, Zhen-Yu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a526t-2be5d20b73da3fadb0a8b0705e4a0258846b166ab5c57ea2cb1f34a76ea2ad503</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Clay (material)</topic><topic>Consolidation</topic><topic>Creep (materials)</topic><topic>Engineering Sciences</topic><topic>Evolution</topic><topic>Inclination</topic><topic>Materials</topic><topic>Mathematical analysis</topic><topic>Mechanics</topic><topic>Sand</topic><topic>Soft clay</topic><topic>Soil stresses</topic><topic>Soils</topic><topic>Stresses</topic><topic>Technical Papers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Li-Zhong</creatorcontrib><creatorcontrib>Yin, Zhen-Yu</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Hyper Article en Ligne (HAL)</collection><collection>Hyper Article en Ligne (HAL) (Open Access)</collection><jtitle>International journal of geomechanics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Li-Zhong</au><au>Yin, Zhen-Yu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Stress Dilatancy of Natural Soft Clay under an Undrained Creep Condition</atitle><jtitle>International journal of geomechanics</jtitle><date>2015-10-01</date><risdate>2015</risdate><volume>15</volume><issue>5</issue><issn>1532-3641</issn><eissn>1943-5622</eissn><abstract>AbstractThe stress–dilatancy relationship is a key point to capture the evolution of both strains and excess pore pressure during an undrained creep of natural soft clay. This paper focuses on investigating the stress dilatancy of natural soft clay during an undrained creep. Undrained triaxial creep tests are performed on K0-consolidated and isotropically consolidated samples of a typical Chinese soft marine clay with different stress levels. A unique stress–dilatancy curve is obtained from all test results. Several typical stress–dilatancy relations for soils are discussed, comparing them with experimental results. A common modification method for the stress dilatancy of sand is adopted and discussed for clay. All comparisons demonstrate that modified dilatancy equations can describe the stress–dilatancy relationship during an undrained creep. The modified dilatancy equation with the inclination of a potential surface seems to better describe the whole trend, and is suitable for natural soft clay.</abstract><pub>American Society of Civil Engineers</pub><doi>10.1061/(ASCE)GM.1943-5622.0000271</doi><oa>free_for_read</oa></addata></record> |
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source | American Society of Civil Engineers:NESLI2:Journals:2014 |
subjects | Clay (material) Consolidation Creep (materials) Engineering Sciences Evolution Inclination Materials Mathematical analysis Mechanics Sand Soft clay Soil stresses Soils Stresses Technical Papers |
title | Stress Dilatancy of Natural Soft Clay under an Undrained Creep Condition |
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